What I mean is when you convert the java code into c# with exactly the same logic, C# runtime is way slower than java's runtime; and this almost is always true so don't think it's the randomness of which server executes a solution at a particular time. Their syntax is very very similar, sometimes you can even just copy a java solution which will also work as a C# solution. They're both virtural languages so the difference shouldn't be that big.

It would be interesting to know why...